Inventor

Shunji Ito

Inventor

Chiba, JP

Overview

1976–2007

Patent span

Performing operations

Primary field (CPC B)

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B22Fprimary

B22FWorking metallic powder25%

C22CAlloys17%

H02BBoards, substations or switching arrangements for the supply or distribution of electric power17%

D01HSpinning or twisting8%

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors4%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables4%

C04BLime, magnesia4%

C09DCoating compositions, e.g. paints, varnishes or lacquers4%

C21BManufacture of iron or steel4%

H01HElectric switches4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1976–1981Patents assigned to KAWASAKI STEEL CO (6)· patent assignee history

1976–1981Based in Chiba, JP· patent location history

1989Patents assigned to HOWA MACHINERY LTD (2)· patent assignee history

1989Based in Nagoya, JP· patent location history

1999Patents assigned to DENKI KAGAKU KOGYO KK (1)· patent assignee history

1999Based in Machida, JP· patent location history

2003Patents assigned to HITACHI LTD (3)· patent assignee history

2003–2007Based in Hitachi, JP· patent location history

2007Patents assigned to JAPAN AE POWER SYSTEMS CORP (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations